1. Report 1953 – 1955, Geological Survey of the Sudan;Abdulla,1955
2. Barbed bone points from central Sudan and the age of the “Early Khartoum” tradition;Adamson;Nature,1974
3. Studies on bundelkhand soils of the United Provinces. III. Pedochemical characteristics of the black soils of the plains;Agarwal;Indian J. Agric. Sci.,1949
4. Geology of the Sudan. Chapter IV;Andrew,1948
5. Late Tertiary Movements in the Anglo-Egyptian Sudan;Andrew,1952